Perhaps you should try some spelling variations:
transportation network » transport network
model communication » modern communication, moral communication, modeling communication
a transportation » _ transportation, 4 transportation, 5 transportation
technologien a » technologien am, technologien ad, technologien _
network credit » network media, network creation
credit model » credit models, credit modern, credit money
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
a areal » _ areal, 2 areal, 4 areal

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien a transportation network credit model communication costs 4 developing a areal.*.